CN205331571U - Dish spring energy storage pneumatic actuator of pneumatic film formula valve - Google Patents
Dish spring energy storage pneumatic actuator of pneumatic film formula valve Download PDFInfo
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- CN205331571U CN205331571U CN201620037893.1U CN201620037893U CN205331571U CN 205331571 U CN205331571 U CN 205331571U CN 201620037893 U CN201620037893 U CN 201620037893U CN 205331571 U CN205331571 U CN 205331571U
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- disc spring
- membrane cover
- push rod
- diaphragm
- pneumatic actuator
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Abstract
The utility model discloses a dish spring energy storage pneumatic actuator of pneumatic film formula valve, including last membrane lid, lower membrane lid, push rod, tray, diaphragm, the push rod passes the membrane covers down, the push rod top with tray and diaphragm fixed connection, the valve rod is connected to the push rod bottom, push rod outer fringe suit push rod axle, surfaces to mate sets up the tray on the diaphragm, the diaphragm edge -fixed go up between membrane lid and the lower membrane lid, it is equipped with dish spring group to go up to cooperate between membrane lid and the tray, dish spring stack dress is in push rod off -axial reason. The utility model provides a simple structure, reasonable in design, long service life, low cost's dish spring energy storage pneumatic actuator of pneumatic film formula valve, this actuating mechanism adopt the dish spring to replace traditional coil spring, have improved the response speed of valve, and it is extravagant to have reduced the energy, this actuating mechanism passes through the improvement to the diaphragm structure, has improved the sealing performance of diaphragm, has overcome the long -term shortcoming of using easy gas leakage of actuating mechanism in the past.
Description
Technical field
This utility model belongs to the actuator technical field of valve, is specifically related to the disc spring accumulation of energy pneumatic actuator of a kind of air bladder formula valve。
Background technology
Pneumatic diaphragm control valve is a kind of regulation device in pneumatic unit combination instrument, it is produce one of the important devices carrying out in process automatic regulating system, it accepts the output signal of regulation meter and closes and Open valve, reach to be automatically adjusted pressure, temperature, flow and liquid level are isoparametric, can be widely applied to chemical industry, oil, metallurgy, electric power, being automatically adjusted and remotely control of light textile industry。At present, conventional pneumatic diaphragm control valve is mainly made up of valve mechanism and actuator, it is attached by the middle push rod being connected between the two, existing actuator is by membrane cover parts, diaphragm, spring and the support composition being connected with membrane cover parts bottom, being mounted with one on support can sliding up and down, and diaphragm and the push rod of valve mechanism valve rod can be connected, film room in actuator connects with outside control source of the gas, after signal pressure inputs film room, diaphragm produces thrust, compression spring, push rod is made to move, push rod drives the valve rod being connected, change the flow area between spool and the valve seat of valve mechanism, reach the thrust that the counteracting force of spring and signal pressure act on diaphragm to balance each other, thus reaching to be automatically adjusted the purpose of technological parameter。
At present, the known actuator needing accumulation of energy used in valve industry, helical spring is mainly adopted to realize, accumulation of energy is realized by compression helical spring, owing to helical spring is generally adopted uniform pitch design, so rigidity is identical within the scope of total travel, linear convergent rate is good, so particularly suitable uses in the valve of adjustment type, but just have some defects when using in some switching mode valves: due to structure factor, spring rate is less than normal, valve needs to need very big compression travel to realize during bigger pretightning force, so causing whole actuator highly higher；Owing to rigidity of helical spring is fixed value so that when moderate finite deformation scope, power output changes greatly, it is necessary to the source of the gas ordering about actuator action changes greatly。
The effect controlling valve event is played in actuator in valve mechanism,, due to reasons in structure, often there is the instability of effective diaphragm area in known currently used traditional diaphragm actuating mechanism during operation, life-time service arises that leakage, fracture phenomena, causing production instability, waste the energy, severe one causes stopping production, additionally, for safety, the membrane cover of existing actuator is all thicker, and production cost is high。
Utility model content
Not enough for prior art, this utility model provides the disc spring accumulation of energy pneumatic actuator of a kind of simple in construction, reasonable in design, long service life, air bladder formula valve with low cost, this actuator adopts disc spring to substitute traditional helical spring, decrease the height of actuator, enhance space availability ratio, and the special output characteristic curve due to disc spring, the source of the gas change needed when can reduce actuator total travel action, improve the response speed of valve, decrease energy waste；This actuator is by setting up upper and lower projection at the diaphragm place of keeping to the side, in actuator after air chamber punching press, diaphragm can be forced the membrane cover with actuator and fit, and plays self-packing effect, improve the sealing property of diaphragm, overcome the shortcoming that conventional actuator life-time service easily leaks gas；This actuator can be effectively prevented upper and lower membrane cover deform by setting up inside and outside boss at upper and lower membrane cover, reduces membrane cover thickness, saves cost。
For realizing utility model purpose, this utility model by the following technical solutions:
A kind of disc spring accumulation of energy pneumatic actuator of air bladder formula valve, including upper membrane cover, lower membrane cover, push rod, pallet, diaphragm, the described push rod described lower membrane cover of traverse, described push rod top is fixing with described pallet and diaphragm to be connected, described push rod bottom connects valve rod, described push rod outer rim suit push rod shaft, described diaphragm upper surface is equipped with pallet, described diaphragm edge is fixed between described upper membrane cover and lower membrane cover, coordinating between described upper membrane cover and pallet and be provided with disc spring group, described disc spring group is sleeved on described push rod shaft outer rim。
Be preferably, described disc spring group adopt overlapping compound mode, it is adaptable to little stroke, big power output occasion。
Being preferably, described disc spring group adopts the involutory compound mode of monolithic disc spring, it is adaptable to the occasion of stroke, little power output greatly。
Being preferably, described disc spring group adopts the involutory compound mode of biplate disc spring, it is adaptable to the occasion of stroke, big power output greatly。
Being preferably, described disc spring group adopts the involutory compound mode of single, double disc spring different-thickness, it is adaptable to power output needs the occasion of change。
Being preferably, the described diaphragm place of keeping to the side is provided with upper protruding block, and described upper protruding block and upper membrane cover fit tightly。
Being preferably, the described diaphragm place of keeping to the side is provided with lower protruding block, and described lower protruding block and lower membrane cover fit tightly。
Being preferably, described upper membrane cover top corners place and described lower membrane cover bottom comers place are equipped with interior boss, and described interior boss is all one-body molded with upper and lower membrane cover。
Being preferably, the edge corner place of described upper and lower membrane cover is equipped with outer boss, and described outer boss is all one-body molded with upper and lower membrane cover。
The disc spring accumulation of energy pneumatic actuator of a kind of air bladder formula valve of the present utility model provides the benefit that: a kind of simple in construction that this utility model provides, reasonable in design, long service life, the disc spring accumulation of energy pneumatic actuator of air bladder formula valve with low cost, this actuator adopts disc spring to substitute traditional helical spring, decrease the height of actuator, enhance space availability ratio, and the special output characteristic curve due to disc spring, the source of the gas change needed when can reduce actuator total travel action, improve the response speed of valve, decrease energy waste；This actuator is by setting up upper and lower projection at the diaphragm place of keeping to the side, in actuator after air chamber punching press, diaphragm can be forced the membrane cover with actuator and fit, and plays self-packing effect, improve the sealing property of diaphragm, overcome the shortcoming that conventional actuator life-time service easily leaks gas；This actuator can be effectively prevented upper and lower membrane cover deform by setting up inside and outside boss at upper and lower membrane cover, reduces membrane cover thickness, saves cost。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the power output change curve of disc spring of the present utility model；
Fig. 3 is the structural representation that disc spring group adopts overlapping compound mode；
Fig. 4 is the power output change curve of Fig. 3；
Fig. 5 is the structural representation that disc spring group adopts the involutory compound mode of monolithic disc spring；
Fig. 6 is the power output change curve of Fig. 5；
Fig. 7 is the structural representation that disc spring group adopts the involutory compound mode of biplate disc spring；
The power output change curve of Fig. 8 Fig. 7；
Fig. 9 is the structural representation that disc spring group adopts the involutory compound mode of single, double disc spring different-thickness；
Figure 10 is the power output change curve of Fig. 9；
In the figures above: 1, upper membrane cover；2, lower membrane cover；3, push rod；4, pallet；5, diaphragm；6, push rod shaft；7, disc spring group；8, upper protruding block；9, lower protruding block；10, interior boss；11, outer boss。
Detailed description of the invention
The disc spring accumulation of energy pneumatic actuator of a kind of air bladder formula valve of the present utility model is further described by detailed description of the invention below in conjunction with accompanying drawing。
Embodiment 1
Such as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of disc spring accumulation of energy pneumatic actuator of air bladder formula valve, including upper membrane cover 1, lower membrane cover 2, push rod 3, pallet 4, diaphragm 5, the described push rod 3 described lower membrane cover 2 of traverse, described push rod 3 top is fixed be connected with described pallet 4 and diaphragm 5, described push rod 3 bottom connects valve rod, described push rod 3 outer rim suit push rod shaft 6, described diaphragm 5 upper surface is equipped with pallet 4, described diaphragm 5 edge is fixed between described upper membrane cover 1 and lower membrane cover 2, coordinate between described upper membrane cover 1 and pallet 4 and be provided with disc spring group 7, described disc spring group 7 is sleeved on described push rod shaft 6 outer rim, described diaphragm 5 place of keeping to the side is provided with upper protruding block 8, described upper protruding block 8 fits tightly with upper membrane cover 1, described diaphragm 5 place of keeping to the side is provided with lower protruding block 9, described lower protruding block 9 fits tightly with lower membrane cover 2, described upper membrane cover 1 top corners place and described lower membrane cover 2 bottom comers place are equipped with interior boss 10, described interior boss 10 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described upper membrane cover 1, the edge corner place of lower membrane cover 2 is equipped with outer boss 11, described outer boss 11 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described disc spring group 7 adopts overlapping compound mode, suitable in little stroke, the occasion of big power output。
Embodiment 2
Such as Fig. 1, Fig. 2, shown in Fig. 5 and Fig. 6, a kind of disc spring accumulation of energy pneumatic actuator of air bladder formula valve, including upper membrane cover 1, lower membrane cover 2, push rod 3, pallet 4, diaphragm 5, the described push rod 3 described lower membrane cover 2 of traverse, described push rod 3 top is fixed be connected with described pallet 4 and diaphragm 5, described push rod 3 bottom connects valve rod, described push rod 3 outer rim suit push rod shaft 6, described diaphragm 5 upper surface is equipped with pallet 4, described diaphragm 5 edge is fixed between described upper membrane cover 1 and lower membrane cover 2, coordinate between described upper membrane cover 1 and pallet 4 and be provided with disc spring group 7, described disc spring group 7 is sleeved on described push rod shaft 6 outer rim, described diaphragm 5 place of keeping to the side is provided with upper protruding block 8, described upper protruding block 8 fits tightly with upper membrane cover 1, described diaphragm 5 place of keeping to the side is provided with lower protruding block 9, described lower protruding block 9 fits tightly with lower membrane cover 2, described upper membrane cover 1 top corners place and described lower membrane cover 2 bottom comers place are equipped with interior boss 10, described interior boss 10 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described upper membrane cover 1, the edge corner place of lower membrane cover 2 is equipped with outer boss 11, described outer boss 11 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described disc spring group 7 adopts the involutory compound mode of monolithic disc spring, suitable in big stroke, the occasion of little power output。
Embodiment 3
Such as Fig. 1, Fig. 2, shown in Fig. 7 and Fig. 8, a kind of disc spring accumulation of energy pneumatic actuator of air bladder formula valve, including upper membrane cover 1, lower membrane cover 2, push rod 3, pallet 4, diaphragm 5, the described push rod 3 described lower membrane cover 2 of traverse, described push rod 3 top is fixed be connected with described pallet 4 and diaphragm 5, described push rod 3 bottom connects valve rod, described push rod 3 outer rim suit push rod shaft 6, described diaphragm 5 upper surface is equipped with pallet 4, described diaphragm 5 edge is fixed between described upper membrane cover 1 and lower membrane cover 2, coordinate between described upper membrane cover 1 and pallet 4 and be provided with disc spring group 7, described disc spring group 7 is sleeved on described push rod shaft 6 outer rim, described diaphragm 5 place of keeping to the side is provided with upper protruding block 8, described upper protruding block 8 fits tightly with upper membrane cover 1, described diaphragm 5 place of keeping to the side is provided with lower protruding block 9, described lower protruding block 9 fits tightly with lower membrane cover 2, described upper membrane cover 1 top corners place and described lower membrane cover 2 bottom comers place are equipped with interior boss 10, described interior boss 10 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described upper membrane cover 1, the edge corner place of lower membrane cover 2 is equipped with outer boss 11, described outer boss 11 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described disc spring group 7 adopts the involutory compound mode of biplate disc spring, suitable in big stroke, the occasion of big power output。
Embodiment 4
Such as Fig. 1, Fig. 2, shown in Fig. 9 and Figure 10, a kind of disc spring accumulation of energy pneumatic actuator of air bladder formula valve, including upper membrane cover 1, lower membrane cover 2, push rod 3, pallet 4, diaphragm 5, the described push rod 3 described lower membrane cover 2 of traverse, described push rod 3 top is fixed be connected with described pallet 4 and diaphragm 5, described push rod 3 bottom connects valve rod, described push rod 3 outer rim suit push rod shaft 6, described diaphragm 5 upper surface is equipped with pallet 4, described diaphragm 5 edge is fixed between described upper membrane cover 1 and lower membrane cover 2, coordinate between described upper membrane cover 1 and pallet 4 and be provided with disc spring group 7, described disc spring group 7 is sleeved on described push rod shaft 6 outer rim, described diaphragm 5 place of keeping to the side is provided with upper protruding block 8, described upper protruding block 8 fits tightly with upper membrane cover 1, described diaphragm 5 place of keeping to the side is provided with lower protruding block 9, described lower protruding block 9 fits tightly with lower membrane cover 2, described upper membrane cover 1 top corners place and described lower membrane cover 2 bottom comers place are equipped with interior boss 10, described interior boss 10 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described upper membrane cover 1, the edge corner place of lower membrane cover 2 is equipped with outer boss 11, described outer boss 11 and upper membrane cover 1, lower membrane cover 2 is all one-body molded, described disc spring group 7 adopts list, the involutory compound mode of biplate disc spring different-thickness, the occasion of change is needed suitable in power output。
The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not limited thereto, this utility model may be used on similar product, any those skilled in the art is in field of the present utility model, and change or the modification made all are encompassed among the scope of the claims of the present utility model。
Claims (9)
1. the disc spring accumulation of energy pneumatic actuator of an air bladder formula valve, including upper membrane cover, lower membrane cover, push rod, pallet, diaphragm, the described push rod described lower membrane cover of traverse, described push rod top is fixing with described pallet and diaphragm to be connected, described push rod bottom connects valve rod, described push rod outer rim suit push rod shaft, described diaphragm upper surface is equipped with pallet, described diaphragm edge is fixed between described upper membrane cover and lower membrane cover, it is characterized in that: coordinating between described upper membrane cover and pallet and be provided with disc spring group, described disc spring group is sleeved on described push rod shaft outer rim。
2. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 1, it is characterised in that: described disc spring group adopts overlapping compound mode。
3. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 1, it is characterised in that: described disc spring group adopts the involutory compound mode of monolithic disc spring。
4. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 1, it is characterised in that: described disc spring group adopts the involutory compound mode of biplate disc spring。
5. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 1, it is characterised in that: described disc spring group adopts the involutory compound mode of single, double disc spring different-thickness。
6. the disc spring accumulation of energy pneumatic actuator according to the arbitrary described air bladder formula valve of claim 1-5, it is characterised in that: the described diaphragm place of keeping to the side is provided with upper protruding block, and described upper protruding block and upper membrane cover fit tightly。
7. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 6, it is characterised in that: the described diaphragm place of keeping to the side is provided with lower protruding block, and described lower protruding block and lower membrane cover fit tightly。
8. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 7, it is characterized in that: described upper membrane cover top corners place and described lower membrane cover bottom comers place are equipped with interior boss, described interior boss is all one-body molded with upper and lower membrane cover。
9. the disc spring accumulation of energy pneumatic actuator of air bladder formula valve according to claim 7, it is characterised in that: the edge corner place of described upper and lower membrane cover is equipped with outer boss, and described outer boss is all one-body molded with upper and lower membrane cover。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037893.1U CN205331571U (en) | 2016-01-15 | 2016-01-15 | Dish spring energy storage pneumatic actuator of pneumatic film formula valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037893.1U CN205331571U (en) | 2016-01-15 | 2016-01-15 | Dish spring energy storage pneumatic actuator of pneumatic film formula valve |
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| Publication Number | Publication Date |
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| CN205331571U true CN205331571U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620037893.1U Active CN205331571U (en) | 2016-01-15 | 2016-01-15 | Dish spring energy storage pneumatic actuator of pneumatic film formula valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237091A (en) * | 2018-10-09 | 2019-01-18 | 四川勃朗蜀威科技有限公司 | Pressure type regulating valve in self-operated type equipped with wave spring balance mechanism |
-
2016
- 2016-01-15 CN CN201620037893.1U patent/CN205331571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237091A (en) * | 2018-10-09 | 2019-01-18 | 四川勃朗蜀威科技有限公司 | Pressure type regulating valve in self-operated type equipped with wave spring balance mechanism |
| CN109237091B (en) * | 2018-10-09 | 2023-11-17 | 四川勃朗蜀威科技有限公司 | Self-operated internal pressure-taking type regulating valve with wave spring balance mechanism |
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